Protect yourself against future threats.
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2021.1180 openssl security update 8 April 2021 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: openssl Publisher: Red Hat Operating System: Red Hat Impact/Access: Denial of Service -- Remote/Unauthenticated Resolution: Patch/Upgrade CVE Names: CVE-2021-3449 Reference: ESB-2021.1133 ESB-2021.1120 ESB-2021.1075 ESB-2021.1068 Original Bulletin: https://access.redhat.com/errata/RHSA-2021:1131 - --------------------------BEGIN INCLUDED TEXT-------------------- - -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ===================================================================== Red Hat Security Advisory Synopsis: Important: openssl security update Advisory ID: RHSA-2021:1131-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2021:1131 Issue date: 2021-04-07 CVE Names: CVE-2021-3449 ===================================================================== 1. Summary: An update for openssl is now available for Red Hat Enterprise Linux 8.1 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section. 2. Relevant releases/architectures: Red Hat Enterprise Linux BaseOS EUS (v. 8.1) - aarch64, ppc64le, s390x, x86_64 3. Description: OpenSSL is a toolkit that implements the Secure Sockets Layer (SSL) and Transport Layer Security (TLS) protocols, as well as a full-strength general-purpose cryptography library. Security Fix(es): * openssl: NULL pointer dereference in signature_algorithms processing (CVE-2021-3449) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section. 4. Solution: For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 For the update to take effect, all services linked to the OpenSSL library must be restarted, or the system rebooted. 5. Bugs fixed (https://bugzilla.redhat.com/): 1941554 - CVE-2021-3449 openssl: NULL pointer dereference in signature_algorithms processing 6. Package List: Red Hat Enterprise Linux BaseOS EUS (v. 8.1): Source: openssl-1.1.1c-5.el8_1.src.rpm aarch64: openssl-1.1.1c-5.el8_1.aarch64.rpm openssl-debuginfo-1.1.1c-5.el8_1.aarch64.rpm openssl-debugsource-1.1.1c-5.el8_1.aarch64.rpm openssl-devel-1.1.1c-5.el8_1.aarch64.rpm openssl-libs-1.1.1c-5.el8_1.aarch64.rpm openssl-libs-debuginfo-1.1.1c-5.el8_1.aarch64.rpm openssl-perl-1.1.1c-5.el8_1.aarch64.rpm ppc64le: openssl-1.1.1c-5.el8_1.ppc64le.rpm openssl-debuginfo-1.1.1c-5.el8_1.ppc64le.rpm openssl-debugsource-1.1.1c-5.el8_1.ppc64le.rpm openssl-devel-1.1.1c-5.el8_1.ppc64le.rpm openssl-libs-1.1.1c-5.el8_1.ppc64le.rpm openssl-libs-debuginfo-1.1.1c-5.el8_1.ppc64le.rpm openssl-perl-1.1.1c-5.el8_1.ppc64le.rpm s390x: openssl-1.1.1c-5.el8_1.s390x.rpm openssl-debuginfo-1.1.1c-5.el8_1.s390x.rpm openssl-debugsource-1.1.1c-5.el8_1.s390x.rpm openssl-devel-1.1.1c-5.el8_1.s390x.rpm openssl-libs-1.1.1c-5.el8_1.s390x.rpm openssl-libs-debuginfo-1.1.1c-5.el8_1.s390x.rpm openssl-perl-1.1.1c-5.el8_1.s390x.rpm x86_64: openssl-1.1.1c-5.el8_1.x86_64.rpm openssl-debuginfo-1.1.1c-5.el8_1.i686.rpm openssl-debuginfo-1.1.1c-5.el8_1.x86_64.rpm openssl-debugsource-1.1.1c-5.el8_1.i686.rpm openssl-debugsource-1.1.1c-5.el8_1.x86_64.rpm openssl-devel-1.1.1c-5.el8_1.i686.rpm openssl-devel-1.1.1c-5.el8_1.x86_64.rpm openssl-libs-1.1.1c-5.el8_1.i686.rpm openssl-libs-1.1.1c-5.el8_1.x86_64.rpm openssl-libs-debuginfo-1.1.1c-5.el8_1.i686.rpm openssl-libs-debuginfo-1.1.1c-5.el8_1.x86_64.rpm openssl-perl-1.1.1c-5.el8_1.x86_64.rpm These packages are GPG signed by Red Hat for security. Our key and details on how to verify the signature are available from https://access.redhat.com/security/team/key/ 7. References: https://access.redhat.com/security/cve/CVE-2021-3449 https://access.redhat.com/security/updates/classification/#important 8. Contact: The Red Hat security contact is <secalert@redhat.com>. More contact details at https://access.redhat.com/security/team/contact/ Copyright 2021 Red Hat, Inc. - -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIVAwUBYG3QRtzjgjWX9erEAQgZmg/+JQcW+VuZQj45E9uCDUIYIzJQNde6KQaK sg5vPyHfncaVDcHJQiXhRhQ0AH8qAwVXBWnn+IJWCZdmJ6SbX19Qg5K6ooq8S1Mx wewYA2r/V7wv44+PzFGP2uKJo0jv777ZvuJJqWfVb7OI2gQ6QICGasGeykXqojX6 m0bVOXtkONOJmZGjRv7NgzP7N7DMi7VvT2JwxYZC39OSz4PzOiQd385k++doS57B sMSHfRR7R95HhMqdVa/5QpO0yobVtS2t+fWMVQRTt320doZsp3Ke/zvkm4JZ2fIk 7bp5y97oszd8nmeEOb0CRluYba5QChEw9Z4dy7oQw7J9AkZ5vJZdq4mSBaR0RLBw 9uy6V7CmR5Vwv/1pMM0XDloXdNRrUT1gYeRe+Ml6YEAD31aY5OZlk8tjp7EhxYUH FDiN37XzbILqDo+fIGerV8EbJ4pO29VLy6Gl6xs0Mhujh7nvuYACS2CICJUaLd4n GRUMTwqOxNS5DK+763tbLYpd6SmDnw/w68ANqy44P1k3sB66zKtCK4eyLnbEDo1S dp3FolJfRIFgb5i17oQ1DaM+2Cf3tgZlMThyde887pL60i5sMAskxUemEL4t9k5e dZy37k+jo4osqwTZHEhN22xwl0tLVrVI1i4xPSFahlww7otbs35iwpQkKP+6cLbe kbnsPDcxSbU= =zxJQ - -----END PGP SIGNATURE----- - --------------------------END INCLUDED TEXT-------------------- You have received this e-mail bulletin as a result of your organisation's registration with AusCERT. The mailing list you are subscribed to is maintained within your organisation, so if you do not wish to continue receiving these bulletins you should contact your local IT manager. If you do not know who that is, please send an email to auscert@auscert.org.au and we will forward your request to the appropriate person. NOTE: Third Party Rights This security bulletin is provided as a service to AusCERT's members. As AusCERT did not write the document quoted above, AusCERT has had no control over its content. The decision to follow or act on information or advice contained in this security bulletin is the responsibility of each user or organisation, and should be considered in accordance with your organisation's site policies and procedures. AusCERT takes no responsibility for consequences which may arise from following or acting on information or advice contained in this security bulletin. NOTE: This is only the original release of the security bulletin. It may not be updated when updates to the original are made. If downloading at a later date, it is recommended that the bulletin is retrieved directly from the author's website to ensure that the information is still current. Contact information for the authors of the original document is included in the Security Bulletin above. If you have any questions or need further information, please contact them directly. Previous advisories and external security bulletins can be retrieved from: https://www.auscert.org.au/bulletins/ =========================================================================== Australian Computer Emergency Response Team The University of Queensland Brisbane Qld 4072 Internet Email: auscert@auscert.org.au Facsimile: (07) 3365 7031 Telephone: (07) 3365 4417 (International: +61 7 3365 4417) AusCERT personnel answer during Queensland business hours which are GMT+10:00 (AEST). On call after hours for member emergencies only. =========================================================================== -----BEGIN PGP SIGNATURE----- Comment: http://www.auscert.org.au/render.html?it=1967 iQIVAwUBYG5PFONLKJtyKPYoAQgMKQ/+N/JKZ3gGicIGa2FQ5Y3Ot1dSmKDcpGms /57Unt3p4R8zEXx/wlbZ2bYgBYliuLXvcwtbwGvCoNa5YM28CiK9Qw53cYAahaUo bz9LSFEEr52RDKrTpzEBDtzSy5y86k9Uvcj/65PWbB2vHOtEnLIOiUnwzENUPyIH /n424AsJng4Br+9OE/C46BS4P/Ql0T6oSjmglv8j02dHYbJC/7lQuIxmWOyVl7lu xfYIYLRN8cQgMlFN+N4RTUjTc/BtvjuM+wptbh7nm2sL/d2L56IJnQymiv8mAKZJ onsqJvoXestKihGpP+RkjpoDPkuMuTMAia601tCA/rerXyVT6oD9N9S8qibGis1S kV55xP0lr9x/Z8h59B+DifudF82zIBFulwu8hyiVaBGPHJuiXlPkK1Qz+Y2WbKwZ HNRcvD3BTkBp1Djm8WFNrfJboY6xvtX0uSz4Jg7fONb9mNB6NOJWw7VeGRujrLsi tNwclw6UXttHCobyvnwCc5kcKyvEAN3c/AOYafRMf5dtKRwQSGYnQgUBSgaGt4au 9zShOfHb1FuCxpIDkiXcVzg69EW3/585vEf9YAcxKuuq0vt0Dx0uZFBH+w6vtOvk iMmKf7Ddgw6keha5hfQDTPiXlaw15kTCTTQl1ACJLkTUxVtMpBH0SgzK5nZN1f4m Sj2F0qzEZ1E= =XJYo -----END PGP SIGNATURE-----